The latest models of Mercedes cars cannot be sold in France as they still use an air conditioning refrigerant the EU says emits excessive greenhouse gases and should be replaced, the German auto company said ...

Carmakers and airplane manufacturers are very particular when it comes to the weight of their models: the lighter they are, the less fuel they consume - and the less carbon dioxide they blow into the air. ...

Are you fed up with your Blackberry because it effectively puts you on call for your employer 24/7? Are you a slave to its blinking red light and the vibrating alarm that tells you you have a new email?